C9164 – Cantharidin for topical administration, 0.7%, single unit dose applicator (3.2 mg)
HCPCS Level II code · C codes: Outpatient PPS (Hospital Outpatient)
HCPCS codeC9164
- Long description
- Cantharidin for topical administration, 0.7%, single unit dose applicator (3.2 mg)
- Short description
- Cantharidin top, applicator
- Pricing indicator
53Statute- Medicare coverage
DSpecial coverage instructions apply- BETOS category
O1EOther drugs- Added
- January 1, 2024
- Last change
- April 1, 2024 – No change
- Termination date
- March 31, 2024
Frequently asked questions
What is HCPCS code C9164?
C9164 is a HCPCS Level II code for cantharidin for topical administration, 0.7%, single unit dose applicator (3.2 mg). It was discontinued on March 31, 2024.
Does Medicare cover C9164?
The HCPCS file lists coverage code D: Special coverage instructions apply. Coverage and payment also depend on local coverage determinations and the patient’s plan.
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Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.